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Family Practice

Simon B. Griesbach, MD

Works at hospitals in Waukesha, WI · Wisconsin

Summary

Simon B. Griesbach, MD (Family Practice) is listed by Medicare at 1 hospital in Waukesha, WI. NPI 1578839387. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Simon B. Griesbach, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Family PracticePrimary specialty
YesAccepts Medicare assignment
13Years since medical school (graduated 2013)
Medical College Of WisconsinMedical school
MaleGender (as listed)
Prohealth Medical Group IncGroup practice

Quick answers

Which hospitals does Simon B. Griesbach work at?
Medicare's official clinician data lists Simon B. Griesbach at 1 hospital: Waukesha Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Simon B. Griesbach see patients?
Medicare's clinician data lists 4 practice locations, including Waukesha, WI. Call before your visit to confirm the address.
What is Simon B. Griesbach's specialty?
Medicare lists Family Practice as the primary specialty.
Does Simon B. Griesbach accept Medicare assignment?
Yes. Medicare's clinician data says Simon B. Griesbach accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Simon B. Griesbach?
(262) 555-4869, as listed in official Medicare / NPI Registry data.
What is Simon B. Griesbach's NPI number?
1578839387. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Simon B. Griesbach works

Medicare's Facility Affiliation Data lists Simon B. Griesbach at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Simon B. Griesbach is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Simon B. Griesbach as a member of this group (CMS data updated 2026-10-02).

  • Prohealth Medical Group Inc479 clinicians in the group

Specialties

Find other Family Practice doctors in Wisconsin →

Other family doctors in Waukesha

Clinicians with the same Medicare primary specialty in Waukesha, WI — not a recommendation.

All family doctors in Waukesha →

Clinician information

CredentialMD
Medical schoolMedical College Of Wisconsin
Graduation year2013
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1578839387
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians